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A micrograph (mag 40×) of a representative sample from the HET55 group.
Note: The treated area is below the arrows and marked as T; the normal area is marked as N. Note the thinning of the submucosa compared to the normal area. There is also hemorrhage in the mucosa, and vascular damage and congestion in the submucosa in the treated area.
Abbreviations: HET55, HET Bipolar Ligator at 55°C; T, treated area; N, normal area.
